Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 223 [Rate centres in NPA 223] [Dial plan for NPA 223]

NXX: 327

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
223-327 A Harrisburg City Zone-2 PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226      
223-327 0 Harrisburg City Zone-2 PA PXTGPALRGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2024-11-22   
223-327 1 Harrisburg City Zone-2 PA PXTGPALRGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2024-11-22   
223-327 2 Harrisburg City Zone-2 PA HRBGPAHAX9Z  547E ONVOY, LLC - PA 226   2023-11-13   
223-327 3 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 4 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 5 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 6 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 7 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 8 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   
223-327 9 Harrisburg City Zone-2 PA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 226   2025-01-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.